| Patents for G02B 3 - Simple or compound lenses (21,564) |
|---|
| 11/13/1991 | EP0456110A2 Device and method for optical scanning of a document |
| 11/12/1991 | US5064712 Epoxy adhesive layer between glass and plastic |
| 11/12/1991 | US5064261 Fθ lens systems in optical scanner |
| 11/05/1991 | US5062877 Method for making an optical device |
| 11/05/1991 | US5062688 Flat plate optical element and method for preparing the same |
| 10/29/1991 | US5061766 Method of producing polymer particles having narrow particle size distribution by the use of a polymeric dispersion stabilizer |
| 10/29/1991 | US5061058 Opthalmic lens for use in the correction of astigmatism |
| 10/29/1991 | US5061052 Television picture enhancement device |
| 10/23/1991 | CN1055608A Liquid-filled lens |
| 10/22/1991 | US5059009 Endoscope relay lens |
| 10/22/1991 | US5059008 Wide angle beam steerer using translation of plural lens arrays |
| 10/17/1991 | DE4111864A1 Laser-diode for surgical use - is focussed to uniform image by two orthogonal compensating cylindrical lenses |
| 10/17/1991 | DE4011844A1 Filling and emptying hollow spaces in bodies - involves the variation of permeability to heat and other energy and radiation types |
| 10/16/1991 | EP0452053A1 Endoscope relay lens |
| 10/16/1991 | EP0451266A1 Method of manufacturing a plastic graded-index optical transmission element |
| 10/15/1991 | US5056912 Projection type image display apparatus |
| 10/15/1991 | US5056904 Viewer |
| 10/09/1991 | EP0450780A2 Optical microelement array and its production method |
| 10/08/1991 | US5055932 Zoom lens apparatus with auto-focusing |
| 10/08/1991 | US5055892 High efficiency lamp or light accepter |
| 10/02/1991 | EP0449573A2 Gas detection device |
| 10/02/1991 | EP0449219A1 Beacon lantern and lens for the same |
| 09/28/1991 | CA2038980A1 Gas detection device |
| 09/25/1991 | EP0447600A1 A cylindrical lens and a manufacturing method for the same |
| 09/25/1991 | EP0447548A1 Method of manufacturing a plastic graded-index optical transmission element |
| 09/24/1991 | US5051830 Dual lens system for electronic camera |
| 09/24/1991 | US5050981 Lens design method and resulting aspheric lens |
| 09/24/1991 | US5050973 Symmetrical lens system for use in copying machine |
| 09/24/1991 | US5050970 Lens system for use in optical information device |
| 09/19/1991 | WO1991014189A1 Multifocal bi-refringent lens with matched bi-refringence |
| 09/18/1991 | EP0446608A2 Variable pel density print head for electrophotographic printers |
| 09/17/1991 | US5048958 Self-focusing optical system for spectrophotometric measurements and the like, with optical fiber sensors |
| 09/17/1991 | US5048938 Monolithic laser spatial filter |
| 09/17/1991 | US5048928 Computer screen magnifier |
| 09/10/1991 | US5047776 Multibeam optical and electromagnetic hemispherical/spherical sensor |
| 09/04/1991 | EP0444603A2 Optical beam scanning system |
| 09/04/1991 | EP0444212A1 Converging filter and method of producing same |
| 09/03/1991 | US5046159 Image transmitting element and process for producing same |
| 09/03/1991 | US5044737 Double axial gradient lens and process for fabrication thereof |
| 08/27/1991 | US5043856 Lighting lens |
| 08/27/1991 | US5043716 Electronic display with lens matrix |
| 08/27/1991 | US5042894 Fiber optic lighting system |
| 08/20/1991 | US5041862 Lens screen |
| 08/20/1991 | US5040961 Apparatus for manufacturing aspherically shaped small lenses |
| 08/20/1991 | US5040883 Light fixture with beam shaping lens |
| 08/14/1991 | EP0441594A2 Solid image pickup device having microlenses |
| 08/08/1991 | WO1991011740A1 Interconnection |
| 08/07/1991 | EP0440107A2 Contact lens for correction of astigmatism |
| 08/07/1991 | CN1013457B Refracting solor energy concentrator and thin flexible fresnel lens |
| 08/06/1991 | US5038027 Contact reading image sensor with a rod lens array |
| 08/06/1991 | US5037199 Ball lens micro-cell |
| 07/30/1991 | US5035486 Optical imaging apparatus |
| 07/30/1991 | CA1287112C Optical interface for a magneto-optical current transducer |
| 07/24/1991 | EP0437607A1 Progressive spectacle glass with positive action in the distance portion. |
| 07/24/1991 | EP0437572A1 Double axial gradient lens and process for fabrication thereof |
| 07/23/1991 | US5033839 Method of minimizing the maximum thickness of a unifocal ophthalmic lens and gradient index unifocal ophthalmic lens obtained by application of this method |
| 07/23/1991 | US5033838 Gradient index, null geometrical power unifocal ophthalmic lens |
| 07/23/1991 | US5033831 Color-corrected lens triplets with liquid lens elements |
| 07/16/1991 | US5032963 Lens for traffic lights and method of making same |
| 07/16/1991 | US5032012 Rear converter lens system |
| 07/16/1991 | US5032000 Gradient index-type optical device and process for production thereof |
| 07/16/1991 | US5031992 Multiple parallel channel rotary optical coupler |
| 07/16/1991 | US5031991 Optical coupling circuit element |
| 07/16/1991 | US5031979 f θ Lens system in optical scanner |
| 07/16/1991 | CA1286270C Refracting solar energy concentrator and thin flexible fresnel lens |
| 07/10/1991 | EP0318561A4 Multifocal ophthalmic lens |
| 07/02/1991 | US5028136 Rugate optical filter systems |
| 07/02/1991 | CA1285604C Imaging system utilizing an oscillating gradient index lens array |
| 06/27/1991 | WO1991009340A1 A lens attachment |
| 06/25/1991 | US5027144 Lens changer for cameras |
| 06/25/1991 | CA1285161C Transmission type projection screen |
| 06/19/1991 | EP0432918A2 Vehicle headlamp assembly |
| 06/18/1991 | US5025268 Optical scanning apparatus and asymmetrical aspheric scanning lens |
| 06/18/1991 | US5024509 Structural combination of plastic lenses |
| 06/12/1991 | EP0431281A1 Optical device containing a photonucleable glass, and method of making it |
| 06/12/1991 | CN1012850B Zoom lens of reduced total length |
| 06/11/1991 | US5022725 Optical sensor |
| 06/05/1991 | EP0430302A2 Positive photosensitive compositions for forming lenses |
| 06/05/1991 | CN1012761B Multifocal ophthalmic lens |
| 06/04/1991 | US5021931 Lenticular luminescent screen |
| 06/04/1991 | US5021773 Fibre optic display device |
| 06/04/1991 | US5020898 Contact lens for correction of astigmatism |
| 06/04/1991 | US5020888 Aspherical glass lens element suitable for a collimator lens |
| 06/04/1991 | US5020887 Conformally doped optical elements |
| 06/04/1991 | US5020886 Parabolic |
| 05/28/1991 | US5019855 Linear shutter and method to achieve uniform density of image elements of a 3-D photograph |
| 05/21/1991 | US5017000 Multifocals using phase shifting |
| 05/21/1991 | US5016994 Projection-lens system |
| 05/21/1991 | US5016980 Systems for deviating and (optionally) converging radiation |
| 05/21/1991 | US5016977 Optical lens for correcting astigmatism |
| 05/14/1991 | US5016109 Apparatus and method for segmenting a field of view into contiguous, non-overlapping, vertical and horizontal sub-fields |
| 05/14/1991 | US5015524 Lens sheet |
| 05/14/1991 | US5015078 Aspherical single lens |
| 05/14/1991 | US5015076 Projection lens for a projector |
| 05/14/1991 | US5015050 Fθ lens system in optical scanner |
| 05/08/1991 | EP0426441A2 An optical device having a microlens and a process for making macrolenses |
| 05/08/1991 | EP0426433A2 Light fixture for externally illuminated sign |
| 05/08/1991 | EP0426411A2 Light fixture with beam shaping lens |
| 05/08/1991 | EP0425858A2 Meniscus lens for coupling an excimer beam into an optical fiber |
| 05/07/1991 | US5014165 Glass-made lens |